Home / 804,918.60-1,205,628.30-488,824.20

Finding the Fourth Proportional to 804,918.60, 1,205,628.30 and 488,824.20

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Solution

The fourth proportional to 804,918.60, 1,205,628.30 and 488,824.20 is: 732,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,918.60 : 1,205,628.30 = 488,824.20 : x
  2. Step 2: Convert to fraction form
    804,918.60/1,205,628.30 = 488,824.20/x
  3. Step 3: Cross multiply
    804,918.60x = 1,205,628.30 × 488,824.20
  4. Step 4: Simplify right side
    804,918.60x = 589,340,289,244.86
  5. Step 5: Solve for x
    x = 589,340,289,244.86/804,918.60
  6. Step 6: Final answer
    x = 732,173.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.